D-Link DWR-111 User Manual page 26

Section 3 - Configuration
Maximum Idle Time:
The time of no activity to disconnect established 3G
session. Set it to zero or choose Auto in Reconnect
Mode to disable this feature.
Primary DNS Server:
(Optional) Fill in if provided by your ISP. If not, keep
Secondary DNS
the default value.
Server:
(Optional) Fill in if provided by your ISP. If not, keep
Keep Alive:
the default value.
Disable or Use LCP Echo Request. It depends on ISP
NAT disable:
requirement.
Bridge Ethernet
Disable Network Address Translation
Ports:
Activate this feature to change Ethernet WAN port
to LAN port.
Click Save Settings to save your changes, or click
Don't Save Settings to discard your changes.
D-Link DWR-111 User Manual 22